21062608

素因数分解:

$2^4\times 7^1\times {\mathrm{181}}^1\times {\mathrm{1039}}^1$

素因数の和:1235

約数の個数: 40

約数和(自身を含む): 46941440

約数和(自身を除く): 25878832

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 181, 362, 724, 1039, 1267, 1448, 2078, 2534, 2896, 4156, 5068, 7273, 8312, 10136, 14546, 16624, 20272, 29092, 58184, 116368, 188059, 376118, 752236, 1316413, 1504472, 2632826, 3008944, 5265652, 10531304, 21062608]

約数ペア:

[(1, 21062608), (2, 10531304), (4, 5265652), (7, 3008944), (8, 2632826), (14, 1504472), (16, 1316413), (28, 752236), (56, 376118), (112, 188059), (181, 116368), (362, 58184), (724, 29092), (1039, 20272), (1267, 16624), (1448, 14546), (2078, 10136), (2534, 8312), (2896, 7273), (4156, 5068)]